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Old June 1st 07, 12:21 PM posted to uk.transport.london
David Cantrell David Cantrell is offline
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Default Petition - M3 single lane restriction at the M25 Junction 12 and M3 New Road Layout Project

On Fri, Jun 01, 2007 at 12:00:35AM +0100, Rob (UK) wrote:

To quote Jeremy Clarkson he said that "If you reduce the number of
lanes from 2 to 1 then you have to double the speed to get the same
number of cars throug per hour"


Thus demonstrating that he failed O level physics.

Kinetic energy is proportional to the *square* of a car's speed.
Consequently the safe distance between cars also goes up approximately
with the square of their speed. So in fact increasing speed will reduce
throughput.

--
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